Overview
onsemi, formerly known as ON Semiconductor, is a Fortune 500 company specializing in semiconductor solutions. Headquartered in Phoenix, Arizona, the company has a global presence with manufacturing facilities, sales offices, and design centers in key markets worldwide. onsemi's mission is to enable energy-efficient innovations, helping customers reduce energy consumption and improve system performance. The company's product portfolio includes power management ICs, analog ICs, standard logic devices, discrete semiconductors, and custom semiconductor solutions. onsemi serves a diverse range of industries with a focus on automotive and industrial markets, which together account for approximately two-thirds of its revenue.
Key Features
onsemi distinguishes itself through its comprehensive portfolio of energy-efficient solutions. The company's products are designed to meet stringent industry requirements for performance, reliability, and quality. Key technology focus areas include power management, sensor interfaces, connectivity solutions, and advanced packaging technologies. A significant strength of onsemi is its vertical integration strategy, which includes owning and operating manufacturing facilities for wafers, assembly, and test. This approach provides better control over quality, supply chain resilience, and cost structure compared to fabless semiconductor companies. The company also maintains strong R&D capabilities, with approximately 10% of revenue reinvested in research and development annually.
Application Areas
onsemi's semiconductor solutions power critical applications across multiple industries. In the automotive sector, the company provides components for advanced driver assistance systems (ADAS), vehicle electrification, lighting, and body electronics. Automotive applications represent the largest and fastest-growing segment for onsemi, driven by increasing semiconductor content per vehicle and the transition to electric vehicles. Industrial applications include factory automation, motor control, power supplies, and renewable energy systems. In the computing and consumer markets, onsemi's products are used in servers, PCs, smartphones, and home appliances. The company also serves the medical and aerospace/defense sectors with high-reliability semiconductor solutions that meet stringent quality and regulatory requirements.
Precautions
When selecting and using onsemi components, several important considerations should be kept in mind. First, engineers must ensure that the chosen devices meet all electrical, thermal, and environmental requirements of their specific application. onsemi provides detailed datasheets and application notes for all products, which should be carefully reviewed during the design process. For automotive applications, components must meet AEC-Q100 or other relevant quality standards. Proper handling of electrostatic discharge (ESD) sensitive devices is critical to prevent damage during assembly and use. Designers should also consider the complete thermal management solution, as many power semiconductors require proper heatsinking or cooling for optimal performance and reliability.
B2B Procurement Guide
For businesses procuring onsemi products, several channels are available. The company sells directly to OEMs and through an extensive network of authorized distributors worldwide. When sourcing components, it's recommended to work with authorized partners to ensure product authenticity, quality assurance, and access to technical support. Lead times and minimum order quantities vary by product family and market demand. For high-volume requirements, onsemi offers contract manufacturing services and customized solutions. The company provides comprehensive design support resources including reference designs, evaluation boards, and simulation tools to assist with product selection and system integration. Buyers should establish clear specifications and consult with onsemi's technical sales team for complex requirements.
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